CN105586833B - Stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method - Google Patents
Stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method Download PDFInfo
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- CN105586833B CN105586833B CN201510957383.6A CN201510957383A CN105586833B CN 105586833 B CN105586833 B CN 105586833B CN 201510957383 A CN201510957383 A CN 201510957383A CN 105586833 B CN105586833 B CN 105586833B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 133
- 239000010959 steel Substances 0.000 title claims abstract description 133
- 230000002787 reinforcement Effects 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 40
- 238000003032 molecular docking Methods 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 58
- 238000009434 installation Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
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- Conveying And Assembling Of Building Elements In Situ (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method, main construction procedure includes：(1) stiff skeleton is set up；(2) locating rack is installed；(3) locating rack is docked with stiff skeleton；(4) reinforcing bar colligation molding；(5) mast-up is installed；(6) integral hoisting docking；(7) auxiliary equipment is removed；(8) template construction；Structure according to the present invention has colligation convenient, efficiency of construction is high, the locally stiff skeleton of dismountable recovery, ensure the double orientation frame that reinforcing bar is accurately positioned and easily removes, achievable reinforcing bar global formation segmental hoisting docking, shorten the reinforcing bar colligation time, lower upper-lower section concreting age the features such as differ from, with preferable economic technology benefit.
Description
Technical field
The present invention relates to cast-in-place tall pier and thin wall steel reinforcement cage installs stiffness locating framework system, more particularly to stiff skeleton reinforcing bar
Cage global formation large-scale cast-in-place tall pier and thin wall construction method.
Background technology
In science of bridge building, high pier construction is and its an important ring, in order to ensure the construction quality and peace of high pier construction
Quan Xing, it is a kind of the most frequently used mode to carry out constructing using stiff skeleton.Stiff skeleton reinforcing bar fix and template consolidate etc.
Aspect plays an important role.Specifically, after increased stiff skeleton, due to stiff skeleton rigidity it is larger, reinforcing bar, template
Can fix on stiff skeleton, so as to the generation for preventing framework of steel reinforcement integrally to skew with template collapse accident, while workman behaviour
When making, it is possible to use stiff skeleton fixes seat belt, plays a part of safeguard protection to operator.In addition, in reinforcement installation
During, it is possible to use strength strength skeleton is carried out rectifying a deviation, is fixed, it is ensured that reinforcement installation position accurately, is protected protective layer quality
Card.
Traditional stiff skeleton typically constitutes truss structure by skeleton column, skeleton cross bar and three part of skeleton brace,
After stiff skeleton installation, high pier reinforcing bar colligation is carried out, stiff skeleton plays the high pier cage bar of support and ensures that high pier cage bar exists
The effect positioned on vertical direction.But, traditional stiff skeleton is but difficult the positioning for controlling high pier cage bar, ties up high pier cage bar
During bundle, precision is low.And traditional stiff skeleton needs to put into need of the great deal of steel to ensure steel reinforcement cage monolithic stability during lifting
Will, steel product cost input is big；Traditional stiff skeleton positioner generally adopts permanent positioning steel plate, and cost is higher；And
And splice is removed with the effect of constraint value locating rack for positioning bore edges, vertical reinforcement is in colligation installation and concreting process
In, can inevitably there is mobile or inclination etc., cause upper connection and positioning bore edges squeezed tight, locating rack is removed tired
It is difficult.
In consideration of it, needing badly at present, a kind of colligation of invention is convenient, efficiency of construction is high, can the stiff skeleton that reclaims of partial dismantling,
Ensure the double orientation frame that reinforcing bar is accurately positioned and easily removes, be capable of achieving the docking of reinforcing bar global formation segmental hoisting, shorten
The reinforcing bar colligation time, lower stiff skeleton steel reinforcement cage global formation large-scale cast-in-place of upper-lower section concreting age the features such as differ from
The construction method of tall pier and thin wall.
The content of the invention
It is an object of the invention to provide a kind of colligation is convenient, efficiency of construction is high, can the stiff skeleton that reclaims of partial dismantling,
Ensure the double orientation frame that reinforcing bar is accurately positioned and easily removes, be capable of achieving the docking of reinforcing bar global formation segmental hoisting, shorten
The reinforcing bar colligation time, lower stiff skeleton steel reinforcement cage global formation large-scale cast-in-place of upper-lower section concreting age the features such as differ from
Tall pier and thin wall construction method.
For achieving the above object, present invention employs technical scheme below：
Stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method, it is characterised in that including following step
Suddenly：
1) stiff skeleton is set up：Integral two layer of space truss structure, stiff skeleton vertical rod, stiffness are welded from angle steel
Skeleton outer layer horizontal cross bar A, stiff skeleton outer layer horizontal cross bar B, stiff skeleton Crossing brace A, stiff skeleton Crossing brace B are according to setting
Meter requires the two layer of space truss structure for being welded into permanent entirety；And steel pipe and stiffness are inserted inside permanent stiff skeleton
Skeleton is temporarily fixed at together；Welding positioning angle steel, stiff skeleton vertical rod top weld strip spiral shell inside and outside stiff skeleton bottom
Hole steel plate, stiff skeleton outer layer horizontal cross bar A arranges U bolts at the top of the stiff skeleton, arranges inclinator in stiff skeleton vertical rod
With level indicator is set on horizontal cross bar.
2) locating rack is installed：Surely the truss structure of upper and lower two-layer, inside and outside two circle is welded into from angle steel, in locating rack water
Flat cross bar A specified locations weld outer layer fixing steel plate B, weld outer layer fixing steel plate A in locating rack horizontal cross bar B specified locations,
In locating rack bottom of upright rod welded bands screw steel plate；
3) locating rack is docked with stiff skeleton：Locating rack is lifted at the top of stiff skeleton, make locating rack vertical rod bottom with
Dock at the top of stiff skeleton vertical rod, locating rack is fixed at the top of stiff skeleton by high-strength screw rod；
4) reinforcing bar colligation molding：During reinforcing bar colligation, vertical reinforcement top contact is divided to two kinds of height to stagger, upper strata vertical reinforcement
Joint is directly extended in the location hole of locating rack upper strata uses tapered sleeve reinforcement, lower floor's vertical reinforcement joint to connect by fastening means bar
It is connected to locating rack upper strata to be reinforced with tapered location nut, vertical reinforcement bottom is temporarily disposed in the locating slot of positioning angle steel, erects
To reinforcing bar it is interim it is in place wouldn't colligation.
5) lift steel plate to install：2 I-steel are welded in lifting steel plate diagonal positions, lifting steel plate two sides respectively arranges 8
Individual suspension centre, top suspension centre are connected with crane eave tile for hanging steel rope, and bottom suspension centre is by steel wire rope and the main dragon of stiff skeleton
Bone U-bolt connects.
6) integral hoisting docking：In the range of the reinforcing bar integral translation that colligation is completed to straddle truck is lifted by crane；Using straddle truck
Reinforcing bar is integrally hung in the steel reinforcement abutting joints frame in place of scene；Inclinator, level indicator observation stiffness according to stiff skeleton setting
Framework deformation whether in the range of design requirement, the overhanging vertical stiff skeleton vertical rod of stiff skeleton vertical rod and casting concrete
Weld together, and the overhanging vertical reinforcement by vertical reinforcement with casting concrete utilizes sleeve connection.
7) auxiliary equipment is removed：After the completion of reinforcing bar integral hoisting docking, first remove fastener and extract steel pipe, then remove stiffness
Inclinator and level indicator on skeleton, finally removes colligation frame.
8) template construction：Reinforcing bar removes outside docking frame and stiff skeleton local detachable portion after completing colligation, then
Carry out model sheetinstallat construction.
Step 1) described in outer layer positioning angle steel A, outer layer positioning angle steel B, internal layer positioning angle steel A, internal layer positioning angle steel B
Locating slot is arranged according to design requirement.
Step 1) described in steel pipe be temporarily fixed on stiff skeleton by fastener, lifting docking terminate after remove fastener
Steel pipe can just be extracted.
Step 2) described in outer layer fixing steel plate A, outer layer fixing steel plate B location hole is drilled with advance according to design requirement.
The characteristics of present invention has following and beneficial effect：
(1) stiff skeleton by small bore welded steel into cylindricality truss, then by the integral space of the dismountable steel pipe in local
Truss structure, can provide enough rigidity, strength and stability for steel reinforcement cage；Lifting docking can partial dismantling stiffness after terminating
Skeleton, reduces steel input, cost-effective.
(2) stiff skeleton arranges inclinator and level indicator, is easy to observation stiff skeleton to deform and make the timely precautionary measures,
Stiff skeleton top welding suspension centre is used for the integral hoisting of steel reinforcement cage, the characteristics of make full use of main joist rigidity larger, undertakes vertical
Nogata lowers skeleton horizontal force to stress, it is to avoid reinforcing bar cage hoisting deforms.
(3) locating rack is upper and lower two-layer, the truss structure of inside and outside two circle, and locating rack specified location welding fixing steel plate can
Adapt to differing heights connect being accurately positioned for high reinforcing bar, it is ensured that the overall perpendicularity and reinforcement location of reinforcing bar colligation it is accurate, while
Play a part of fixed in reinforcing bar colligation and hoisting process and undertake reinforcing bar weight.
(4) locating rack top reinforcing joint is conical sleeve, and sleeve screws rear tapering point and extend in location hole, makes joint begin
Positioning holes center position is in eventually, it is to avoid reinforcing bar and location hole EDGE CONTACT, reduce and constrain each other, facilitate locating rack to remove.
(5) steel plate diagonal positions are lifted and welds 2 channel-section steels, it is ensured that the overall structure stability of lifting steel plate, suspension centre is
Scalable U bolt, highly makes each suspension centre uniform stressed by adjustment bolt.
Description of the drawings
Fig. 1 is stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall structural representation of the present invention；
Fig. 2 is stiff skeleton and locating rack detail side elevation；
Fig. 3 is stiff skeleton and positioning Bolted angle connection detail drawing；
Fig. 4 is locating rack planar structure detail drawing；
Fig. 5 is conical sleeve detail drawing
Fig. 6 is lifting steel plate detail drawing
Fig. 7 is construction flow chart of the present invention；
In figure：1. stiff skeleton vertical rod；2. stiff skeleton outer layer horizontal cross bar A；3. stiff skeleton Crossing brace A；4. stiffness
Skeleton outer layer horizontal cross bar B；5. stiff skeleton Crossing brace B；6. outer layer positions angle steel A；7. outer layer positions angle steel B；8. steel pipe；9.
Fastener；10. inclinator；11. level indicators；12.U type screw rods；13. locating rack vertical rods；14. locating rack horizontal cross bar A；15. positioning
Frame horizontal cross bar B；16. locating rack Crossing brace A；17. locating rack Crossing brace B；18. outer layer fixing steel plate A；19. outer layers position steel
Plate B；20. band screw steel plates；21. high-strength screw rods；22. stiff skeleton internal layer horizontal cross bar A；23. stiff skeleton internal layer levels
Cross bar B；24. internal layers position angle steel A；25. internal layers position angle steel B；26. locating slots；27. vertical reinforcements；28. locating rack Crossing braces
C；29. internal layer fixing steel plate A；30. internal layer fixing steel plate B；31. location holes；32. taper location nuts；33. steel plates；34. hang
Point；35. I-steel；36. steel wire ropes.
Specific embodiment
Present embodiment welding for steel structure technique, bolt connection construction technology, template-setup technique and concreting are applied
Just do not state tired in this enforcement such as work technique, emphasis is illustrated the present invention relates to the embodiment of structure.
Fig. 1 is stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall structural representation of the present invention.With reference to Fig. 1 institutes
Show, stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall structure of the present invention mainly includes：Stiff skeleton vertical rod 1；Strength
Property skeleton outer layer horizontal cross bar A2；Stiff skeleton Crossing brace A3；Stiff skeleton outer layer horizontal cross bar B4；Stiff skeleton Crossing brace
B5；Outer layer positions angle steel A6；Outer layer positions angle steel B7；Steel pipe 8；Fastener 9；Inclinator 10；Level indicator 11；U-shaped screw rod 12；Positioning
Erect bar 13；Locating rack horizontal cross bar A14；Locating rack horizontal cross bar B15；Locating rack Crossing brace A16；Locating rack Crossing brace B17；
Outer layer fixing steel plate A18；Outer layer fixing steel plate B19；Band screw steel plate 20；High-strength screw rod 21.
With reference to shown in Fig. 1, stiff skeleton vertical rod 1, stiff skeleton outer layer horizontal cross bar A2, stiff skeleton outer layer horizontal cross bar
B4, stiff skeleton Crossing brace A3, stiff skeleton Crossing brace B4 are welded into the two layer of space purlin of permanent entirety according to design requirement
Frame structure；And insert inside the permanent stiff skeleton together with steel pipe 8 is temporarily fixed at stiff skeleton；In stiff skeleton bottom
Outer both sides welding positioning angle steel, 1 top weld strip screw steel plate 20 of stiff skeleton vertical rod, outside stiff skeleton at the top of stiff skeleton
Layer horizontal cross bar A2 arranges U bolts, arranges in stiff skeleton vertical rod 1.It is fixed
Erection bar 13 bottom in position is docked with the top of stiff skeleton vertical rod 1, and locating rack is fixed on stiff skeleton by high-strength screw rod 21
Top.
With reference to shown in Fig. 3, outer layer positioning angle steel A6, outer layer positioning angle steel B7, internal layer positioning angle steel A24, internal layer orientation angle
Steel B25 arranges locating slot 26 according to design requirement, and it is interim solid by fastener 9 that steel pipe 8 is inserted inside permanent stiff skeleton
It is scheduled on stiff skeleton outer layer horizontal cross bar A2, stiff skeleton outer layer horizontal cross bar B4, stiff skeleton internal layer horizontal cross bar A22 and strength
Property skeleton internal layer horizontal cross bar B23.
With reference to shown in Fig. 4, locating rack horizontal cross bar A14 is respectively welded outer layer with locating rack horizontal cross bar B15 specified locations
Fixing steel plate A18 and outer layer fixing steel plate B19, locating rack internal layer horizontal cross bar welding internal layer fixing steel plate A29 are positioned with internal layer
Steel plate B30.
With reference to shown in Fig. 5,27 joint of vertical reinforcement is connected to locating rack upper strata with tapered positioning spiral shell by fastening means bar
Female 32 reinforce.
With reference to shown in Fig. 6,2 I-steel 35 in lifting 33 diagonal positions of steel plate, are welded, 33 two sides of lifting steel plate respectively sets
Put 8 suspension centres 34.
Present invention also offers above-mentioned stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method, mainly
Comprise the following steps：
1) stiff skeleton is set up：Integral two layer of space truss structure, stiff skeleton vertical rod 1, strength are welded from angle steel
Property skeleton outer layer horizontal cross bar A2, stiff skeleton outer layer horizontal cross bar B4, stiff skeleton Crossing brace A3, stiff skeleton Crossing brace B4
The two layer of space truss structure of permanent entirety is welded into according to design requirement；And steel pipe is inserted inside permanent stiff skeleton
8 be temporarily fixed at stiff skeleton together with；Welding positioning angle steel inside and outside stiff skeleton bottom, at the top of stiff skeleton vertical rod 1
Welded bands screw steel plate 20, stiff skeleton outer layer horizontal cross bar A2 arranges U bolts, stiff skeleton vertical rod 1 at the top of the stiff skeleton
On upper setting inclinator 10 and horizontal cross bar, level indicator 11 is set.
2) locating rack is installed：Surely the truss structure of upper and lower two-layer, inside and outside two circle is welded into from angle steel, in locating rack water
Flat cross bar A14 specified locations weld outer layer fixing steel plate B19, in locating rack horizontal cross bar B15 specified locations welding outer layer positioning
Steel plate A18, in 13 bottom welding of locating rack vertical rod band screw steel plate 20；
3) locating rack is docked with stiff skeleton：Locating rack is lifted at the top of stiff skeleton, 13 bottom of locating rack vertical rod is made
With dock at the top of stiff skeleton vertical rod 1, locating rack is fixed at the top of stiff skeleton by high-strength screw rod 21；
4) reinforcing bar colligation molding：During reinforcing bar colligation, vertical reinforcement top contact is divided to two kinds of height to stagger, upper strata vertical reinforcement
27 joints directly extend and tapered sleeve reinforcement are used in locating rack upper strata location hole 31, and 27 joint of lower floor's vertical reinforcement is by connecting work
Tool bar is connected to locating rack upper strata to be reinforced with tapered location nut 32, and vertical reinforcement bottom is temporarily disposed at the positioning of positioning angle steel
In groove 26, vertical reinforcement is temporarily in place wouldn't colligation.
5) lift steel plate to install：2 I-steel 35 are welded in lifting 33 diagonal positions of steel plate, 33 two sides of lifting steel plate is each
8 suspension centres 34 are set, and top suspension centre 34 is connected with crane eave tile for hanging steel rope 36, bottom suspension centre 34 passes through steel wire rope 36
It is connected with stiff skeleton main joist U-bolt 12.
6) integral hoisting docking：In the range of the reinforcing bar integral translation that colligation is completed to straddle truck is lifted by crane；Using straddle truck
Reinforcing bar is integrally hung in the steel reinforcement abutting joints frame in place of scene；Inclinator 10, level indicator 11 according to stiff skeleton setting is observed
Whether stiff skeleton deforms in the range of design requirement, the overhanging vertical stiffness bone of stiff skeleton vertical rod 1 and casting concrete
Erect bar 1 to weld together, and the overhanging vertical reinforcement 27 by vertical reinforcement 27 with casting concrete utilizes sleeve connection.
7) auxiliary equipment is removed：After the completion of reinforcing bar integral hoisting docking, first remove fastener 9 and extract steel pipe 8, then remove strength
Property skeleton on inclinator 10 and level indicator 11, finally remove colligation frame.
8) template construction：Reinforcing bar removes outside docking frame and stiff skeleton local detachable portion after completing colligation, then
Carry out model sheetinstallat construction.
Claims (4)
1. a kind of stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method, it is characterised in that including following step
Suddenly：
1) stiff skeleton is set up：Integral two layer of space truss structure, stiff skeleton vertical rod (1), stiffness are welded from angle steel
Skeleton outer layer horizontal cross bar A (2), stiff skeleton outer layer horizontal cross bar B (4), stiff skeleton Crossing brace A (3), stiff skeleton shearing
Support B welds the stiff skeleton of integral two layer of space truss structure according to design requirement；And steel is inserted inside stiff skeleton
Together with pipe (8) is temporarily fixed at stiff skeleton；Welding positioning angle steel, stiff skeleton vertical rod inside and outside stiff skeleton bottom
(1) top weld strip screw steel plate (20), stiff skeleton outer layer horizontal cross bar A (2) arranges U bolts, strength at the top of the stiff skeleton
Property skeleton vertical rod (1) on setting level indicator (11) on inclinator (10) and horizontal cross bar is set；
2) locating rack is installed：Locating rack is welded into the truss structure of upper and lower two-layer, inside and outside two circle from angle steel, in locating rack water
Outer layer fixing steel plate B (19) is welded on flat cross bar A (14), outer layer fixing steel plate A is welded on locating rack horizontal cross bar B (15)
(18), in locating rack vertical rod (13) bottom welding band screw steel plate (20)；
3) locating rack is docked with stiff skeleton：Locating rack is lifted at the top of stiff skeleton, make locating rack vertical rod (13) bottom with
Dock at the top of stiff skeleton vertical rod (1), locating rack is fixed at the top of stiff skeleton by high-strength screw rod (21)；
4) reinforcing bar colligation molding：During reinforcing bar colligation, vertical reinforcement (27) top contact is divided to two kinds of height to stagger, upper strata vertical reinforcement
(27) joint is directly extended in locating rack upper strata location hole (31) and uses tapered sleeve reinforcement, lower floor's vertical reinforcement (27) joint to pass through
Fastening means bar is connected to the tapered location nut in locating rack upper strata (32) reinforcing, and vertical reinforcement (27) bottom is temporarily disposed at fixed
In the locating slot (26) of parallactic angle steel, vertical reinforcement (27) is temporarily in place wouldn't colligation；
5) lift steel plate to install：2 I-steel (35) are welded in lifting steel plate (33) diagonal positions, steel plate (33) two sides is lifted
8 suspension centres (34) are respectively set, and top suspension centre (34) is connected with crane eave tile for hanging steel rope (36), and bottom suspension centre (34) leads to
Cross steel wire rope (36) to be connected with stiff skeleton main joist U-bolt (12)；
6) integral hoisting docking：In the range of the reinforcing bar integral translation that colligation is completed to straddle truck is lifted by crane；Using straddle truck by steel
Muscle is integrally hung in the steel reinforcement abutting joints frame in place of scene；Inclinator (10), level indicator (11) observation according to stiff skeleton setting
Whether stiff skeleton deforms in the range of design requirement, the overhanging vertical stiffness of stiff skeleton vertical rod (1) and casting concrete
Skeleton vertical rod (1) welds together, and the overhanging vertical reinforcement (27) by vertical reinforcement (27) with casting concrete utilizes set
Cylinder connection；
7) auxiliary equipment is removed：After the completion of reinforcing bar integral hoisting docking, first remove fastener (9) and extract steel pipe (8), then remove strength
Property skeleton on inclinator (10) and level indicator (11), finally remove colligation frame；
8) template construction：Reinforcing bar removes outside docking frame and stiff skeleton local detachable portion after completing colligation, then carries out
Model sheetinstallat is constructed.
2. stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method according to claim 1, which is special
It is step 1 to levy) in outer layer orientation angle steel A (6), outer layer positioning angle steel B (7), internal layer positioning angle steel A (24), internal layer orientation angle
Steel B (25) arranges locating slot (26) according to design requirement.
3. stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method according to claim 1, which is special
It is step 1 to levy) in steel pipe (8) be temporarily fixed on stiff skeleton by fastener (9), lifting docking terminate after remove fastener just
Steel pipe (8) can be extracted.
4. stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method according to claim 1, which is special
It is step 2 to levy) in outer layer fixing steel plate A (18), outer layer fixing steel plate B (19) location hole is drilled with advance according to design requirement
(31)。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510957383.6A CN105586833B (en) | 2015-12-18 | 2015-12-18 | Stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510957383.6A CN105586833B (en) | 2015-12-18 | 2015-12-18 | Stiff skeleton steel reinforcement cage global formation large-scale cast-in-place tall pier and thin wall construction method |
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| CN105586833A CN105586833A (en) | 2016-05-18 |
| CN105586833B true CN105586833B (en) | 2017-03-29 |
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| CN204715211U (en) * | 2015-02-13 | 2015-10-21 | 中交路桥华南工程有限公司 | Stiff skeleton and adopt the Sarasota constructing structure of this stiff skeleton |
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